Home / 22,039.49-30,410.21-13,089.80

Finding the Fourth Proportional to 22,039.49, 30,410.21 and 13,089.80

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Solution

The fourth proportional to 22,039.49, 30,410.21 and 13,089.80 is: 18,061.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,039.49 : 30,410.21 = 13,089.80 : x
  2. Step 2: Convert to fraction form
    22,039.49/30,410.21 = 13,089.80/x
  3. Step 3: Cross multiply
    22,039.49x = 30,410.21 × 13,089.80
  4. Step 4: Simplify right side
    22,039.49x = 398,063,349.36
  5. Step 5: Solve for x
    x = 398,063,349.36/22,039.49
  6. Step 6: Final answer
    x = 18,061.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.